.affix {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 1030;
  background-color: #ffffff;
}

div.sticky {
  position: -webkit-sticky;
  position: sticky;
  background-color: #ffffff;
  top: 0;
}

th.sticky {
  position: -webkit-sticky;
  position: sticky;
  background-color: #ffffff;
  top: 0;
}

tr.sticky {
  position: -webkit-sticky;
  position: sticky;
  background-color: #ffffff;
  top: 0;
}